in mammalian cells, Cdt1 is targeted for degradation by the action of a protein complex that is recruited to the origin of replication by PCNA, the eukaryotic counterpart of the bacterial beta-clamp.

TLS Online TPP Program

#Id: 6842

#Unit 8. Inheritance Biology

Narrow-sense heritability

h2 = VA/VP

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#Id: 9795

#Unit 6. System Physiology – Plant

The amount of light is referred to as the fluence, which is defined as the total number of photons impinging on a unit surface area. Total fluence = fluence rate × the length of time

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#Id: 1569

#Unit 4. Cell Communication and Cell Signaling

“canonical” Wnt signaling pathway uses a second transmembrane protein, LRP that associates with Frizzled in a Wnt signal– dependent manner.

 

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#Id: 9839

#Unit 6. System Physiology – Plant

TLS Online TPP Program

#Id: 10283

#Unit 6. System Physiology – Plant

Increased [Ca2+]cyt activates plasma membrane anion efflux channels, and these two effects combine to depolarize the membrane. Membrane depolarization closes voltage‐sensitive K+ in channels but opens K+ out channels.